Compare towns
Suffield vs Killingly vs Groton
Cost, people, housing, commute and schools, side by side, each benchmarked against Connecticut.
What stands out worked out from the figures below
Suffield has the most people working from home (18.4%).
Killingly has the most kids (19.8% under 18).
Groton has the most renters (54.6% rent).
What matters to you?
Pick a few. We’ll pull those rows to the top and mark which town comes out ahead on each. There’s no overall score: what matters is up to you.
| Measure | Suffield | Killingly | Groton |
|---|---|---|---|
| Your priorities | |||
| People | |||
| Population | 15,702 |
17,867Highest |
9,490Lowest |
| Growth since 20102010 → 2020 census | — | — | -9.6% CT: +0.9% |
| Median age | 44.5±1.7Highest 8% above CT |
39.5±3 4% below CT |
39±3.7Lowest 5% below CT |
| Kids under 18 | 16.2%±2 CT: 20.2% |
19.8%±2.3Highest CT: 20.2% |
15.7%±3.5Lowest CT: 20.2% |
| Killingly and Suffield are within the Census margin of error here, so we can’t say which is really higher. | |||
| Age 65+ | 18.4%±2.2 CT: 18.5% |
19.7%±2.4Highest CT: 18.5% |
16.2%±2.7Lowest CT: 18.5% |
| Killingly and Suffield are within the Census margin of error here, so we can’t say which is really higher. | |||
| Bachelor’s degree+adults 25+ | 40.4%Highest CT: 42.5% |
22.9%Lowest CT: 42.5% |
38.8% CT: 42.5% |
| Enrolled in collegeshare of residents | 4.4%±1.2 CT: 7.1% |
5.4%±1.9Highest CT: 7.1% |
4.2%±1.7Lowest CT: 7.1% |
| Killingly and Suffield are within the Census margin of error here, so we can’t say which is really higher. | |||
| Cost of living | |||
| Household incomemedian | $119,472±$13kHighest 25% above CT |
$84,350±$8k 12% below CT |
$79,577±$8kLowest 17% below CT |
| Home valuemedian, owner-occupied | $407,500±$26kHighest 11% above CT |
$288,600±$15kLowest 21% below CT |
$306,600±$26k 16% below CT |
| Rentmedian gross, monthly | $1,424±$141Highest 4% below CT |
$1,044±$141Lowest 30% below CT |
$1,250±$98 16% below CT |
| Suffield and Groton are within the Census margin of error here, so we can’t say which is really higher. | |||
| Property taxmedian, yearly | $6,456Highest about the CT average |
$3,922Lowest 41% below CT |
$4,411 34% below CT |
| Renters paying 30%+of income on rent | 51%±4.6Highest CT: 52.6% |
42.8%±10.9Lowest CT: 52.6% |
46.5%±11.7 CT: 52.6% |
| Suffield and Groton are within the Census margin of error here, so we can’t say which is really higher. | |||
| Below poverty line | 4.6%Lowest CT: 10% |
11.4% CT: 10% |
18.6%Highest CT: 10% |
| Housing | |||
| Homeownersof occupied homes | 86.7%Highest CT: 66.5% |
71.6% CT: 66.5% |
45.4%Lowest CT: 66.5% |
| Typical home builtmedian year | 1979Highest 12 yrs newer than CT |
1968Lowest 1 yr newer than CT |
1971 4 yrs newer than CT |
| Getting to work | |||
| Average commuteone way | 26 min 3% below CT |
28 minHighest 5% above CT |
18 minLowest 34% below CT |
| Work from home | 18.4%±4.1Highest CT: 16% |
11.1%±2.3 CT: 16% |
4.8%±2Lowest CT: 16% |
| Schools | |||
| Public school scoresrank in state, math + reading | #57 of 149 in CT | #136 of 149 in CT | — |
| School district | Suffield School District | Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS | — |
| High school in town | Suffield High School | Killingly High School | — |
| Students per teacherat that high school | 10.9Lowest |
11.1Highest |
— |
| On TownTapestry | |||
| Old photos in History | None yet | None yet | None yet |
CT average · Sources: U.S. Census Bureau, American Community Survey 5-year estimates 2020–2024; 2010 & 2020 decennial census; NCES Common Core of Data. “±” is the Census margin of error. Property tax is top-coded by the Census at $10,000+. School rank compares math and reading proficiency against the state average.